Bicycle component device

ABSTRACT

A bicycle component device includes a bicycle component and a battery. The bicycle component includes an electric assist unit, an electric shift device and an operation device. The electric assist unit is configured to assist in rotation of a crank. The electric shift device is configured to move a bicycle chain between sprockets. The operation device is configured to perform wireless communication with the electric shift device. The battery is configured to supply power to the bicycle component.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a divisional application of U.S. patent applicationSer. No. 16/943,270, filed on Jul. 30, 2020, which is a divisionalapplication of U.S. patent application Ser. No. 15/669,614, filed onAug. 4, 2017, now U.S. Pat. No. 10,742,248. The entire disclosures ofU.S. patent application Ser. Nos. 15/669,614 and 16/943,270 are herebyincorporated herein by reference. This application claims priority toJapanese Patent Application No. 2016-176709, filed on Sep. 9, 2016. Theentire disclosure of Japanese Patent Application No. 2016-176709 ishereby incorporated herein by reference.

BACKGROUND Technical Field

The present invention generally relates to a bicycle component devicethat uses wireless communications.

Background Information

Japanese Laid-Open Patent Publication No. 2015-27861 (Patent document 1)discloses one example of a known bicycle component that includes acommunication device configured to perform wireless communication.

SUMMARY

It is preferred that a communication device be easily replaced, forexample, to update data of the communication device. It is an object ofthe present invention to provide a bicycle component that facilitatesreplacement of a communication device and a communication device of sucha bicycle component.

In a first aspect of the invention, a bicycle component device includesa bicycle component and a battery. The bicycle component includes anelectric assist unit, an electric shift device and an operation device.The electric assist unit is configured to assist in rotation of a crank.The electric shift device is configured to move a bicycle chain betweensprockets. The operation device is configured to perform wirelesscommunication with the electric shift device. The battery is configuredto supply power to the bicycle component.

In a second aspect of the invention, in the bicycle component deviceaccording to the first aspect, the electric shifting device is anelectric rear derailleur that is configured to be driven by an actuator.

In a third aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the electric shiftingdevice is an electric front derailleur configured to be driven by anactuator.

In a fourth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the operation deviceincludes a first operating device that is wirelessly connected to therear derailleur to perform wireless communication with the electric rearderailleur.

In a fifth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the first operatingdevice includes an electric controller and a communication deviceconfigured to transmit a wireless signal

In a sixth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the communication deviceis configured to transmit a shift up signal or a shift down signal asthe wireless signal to an electric controller of the electric rearderailleur.

In a seventh aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the electric controllerof the electric rear derailleur is configured to operate the actuator toincrease a bicycle transmission ratio based on the shift up signal.

In an eighth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the electric controllerof the electric rear derailleur is configured to operate the actuator todecrease a bicycle transmission ratio based on the shift down signal.

In a ninth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the battery is configuredto be coupled to a down tube of the bicycle.

In a tenth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, a cycle computer isprovided that includes a display configured to show at least one of anoperation mode of the electric assist unit, a transmission position ofan electric front derailleur, a transmission position of an electricrear derailleur, and a riding state of a bicycle.

In an eleventh aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the electric assist unitis configured to function in multiple operation modes each having adifferent assist ratio. The cycle computer is configured to switch theoperation modes of the electric assist unit based on a user operation.

In a twelfth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the cycle computer isconfigured to be arranged on the handlebar.

In a thirteenth aspect of the invention, in the bicycle component deviceaccording to any one of the preceding aspects, the operation deviceincludes a power generator, a communication device and an attachmentportion. The power generator generates power in a state in which anoperation member of the operation device is operated. The communicationdevice transmits a wireless signal with the power generated by the powergenerator. The attachment portion is removably attached to thecommunication device. The communication device is attachable to anotherattachment portion of another bicycle component in a removable manner.

BRIEF DESCRIPTION OF THE DRAWINGS

Referring now to the attached drawings which form a part of thisoriginal disclosure.

FIG. 1 is a side elevational view of a bicycle equipped with a bicyclecomponent in accordance with one embodiment.

FIG. 2 is a front elevational view of a handlebar and a pair of bicyclecomponent operating devices shown in FIG. 1.

FIG. 3 is a side elevational view of a right portion of the handlebarand a first bicycle component operating device shown in FIG. 2.

FIG. 4 is a perspective view of a communication device and an attachmentportion shown in FIG. 3.

FIG. 5 is a block diagram showing an electrical configuration of thebicycle components of the bicycle shown in FIG. 1.

DETAILED DESCRIPTION OF EMBODIMENTS

Selected embodiments will now be explained with reference to thedrawings. It will be apparent to those skilled in the bicycle field fromthis disclosure that the following descriptions of the embodiments areprovided for illustration only and not for the purpose of limiting theinvention as defined by the appended claims and their equivalents.

As shown in FIG. 1, a bicycle 10 includes a bicycle body 12, a frame 14,a front wheel 16, a rear wheel 18, a handlebar 20, a crank 22, frontsprockets 24A, rear sprockets 24B, a chain 26, a battery 28 and abicycle component 30.

The bicycle body 12 includes a front fork 12A. The frame 14 includes ahead tube 14A, a seat tube 14B, a bottom bracket 14C, a down tube 14D, achainstay 14E, a rear end 14F, a seatstay 14G and a derailleur hanger14H.

The front wheel 16 includes a wheel 16A and a hub axle 16B. The hub axle16B is supported by the front fork 12A. The handlebar 20 is coupled tothe head tube 14A. The rear wheel 18 includes a wheel 18A and a hub axle18B. The hub axle 18B is supported by the rear end 14F.

The crank 22 is coupled to the bottom bracket 14C. The crank 22 isrotated by pedaling force of the user. The front sprockets 24A arecoupled to the crank 22. The rear sprockets 24B are coupled to the hubaxle 18B of the rear wheel 18. The chain 26 runs around the frontsprockets 24A and the rear sprockets 24B. The front sprockets 24A arerotated together with the crank 22. The rotation of the front sprockets24A is transmitted to the rear sprockets 24B by the chain 26 to rotatethe rear sprockets 24B and the rear wheel 18.

The battery 28 is coupled to the down tube 14D. The battery 28 suppliespower to the bicycle component 30. The battery 28 is connected to thebicycle component 30 by a power cable (not shown).

The bicycle component 30 includes an electric assist unit 32, anelectric suspension 34, an electric adjustable seatpost 36, a cyclecomputer 38, an electric front derailleur 40, an electric rearderailleur 42 and an operation device 50. The battery 28 and bicyclecomponent 30 form a bicycle component device.

The electric assist unit 32 includes an actuator32A and an electroniccontroller 32B. The electronic controller 32B includes one or moreprocessors and one or more memory devices. The processor(s), whichexecutes predetermined control programs, includes, for example, acentral processing unit (CPU) or a micro processing unit (MPU). Thememory device(s) stores information used in various kinds of controlprograms, the operation modes and various kinds of control processes.The electric assist unit 32 drives the actuator 32A to assist rotationof the crank 22. One example of the actuator 32A is an electric motor.Rotation produced by the actuator 32A is transmitted to the frontsprockets 24A via a reduction gear (not shown). In one example, aone-way clutch is arranged between the actuator 32A and the frontsprockets 24A. The one-way clutch avoids transmission of the pedalingforce, which is applied to the crank 22 by the user, to the actuator32A. The electric assist unit 32 functions in multiple operation modeshaving different assist ratios. The user operates the cycle computer 38to switch the operation modes of the electric assist unit 32.

The electric suspension 34 is arranged on the front fork 12A. Theelectric suspension 34, which includes an elastic body (not shown),absorbs a shock applied to the front wheel 16 by converting the shockinto elastic energy. One example of the elastic body is a cylinder thatencloses a spring, air, oil, and a fluid including a magnetic fluid orthe like. The electric suspension 34 supports the front wheel 16 so thatthe position of the front wheel 16 is changeable relative to the frontfork 12A. The operation state of the electric suspension 34 is changed,for example, by an actuator 34A. One example of the actuator 34A is anelectric motor. The actuator 34A is driven by power supplied from thebattery 28. The operation state of the electric suspension 34 includesat least one of a moved state, the amount of travel, damping force, andrepulsion force. In a case in which the user inputs an instruction forlocking the electric suspension 34 in the moved state to the cyclecomputer 38, the electric suspension 34 is operated to lock the positionof the front wheel 16 relative to the front fork 12A. In a case in whichthe user inputs an instruction for unlocking the electric suspension 34from the moved state to the cycle computer 38, the electric suspension34 is operated to unlock the position of the front wheel 16 relative tothe front fork 12A.

The electric adjustable seatpost 36 is supported by the seat tube 14B.The electric adjustable seatpost 36 is partially inserted into the seattube 14B. The operation state of the electric adjustable seatpost 36 ischanged by an actuator 36A. One example of the actuator 36A is anelectric motor. The actuator 36A is driven by power supplied from thebattery 28. The operation state of the electric adjustable seatpost 36includes the height of the electric adjustable seatpost 36. In a case inwhich the user operates the cycle computer 38 to drive the actuator 36A,the height of the electric adjustable seatpost 36 is changed.

The cycle computer 38 is arranged, for example, on the handlebar 20. Thecycle computer 38 is connected to the electric assist unit 32, theelectric suspension 34, and the electric adjustable seatpost 36 so thatwired communication is performed using signal lines and/or power linecommunication (PLC). The cycle computer 38 includes an electroniccontroller 38A configured to communicate the electric assist unit 32,the electric suspension 34, and the electric adjustable seatpost 36. Theelectronic controller 38A includes one or more processors and one ormore memory devices. The processor(s), which executes predeterminedcontrol programs, includes, for example, a central processing unit (CPU)or a micro processing unit (MPU). The memory device(s) storesinformation used in various kinds of control programs, the operationmodes and various kinds of control processes. Additionally, the cyclecomputer 38 includes a display 38B configured to show at least one ofthe operation mode of the electric assist unit 32, the operation mode ofthe electric suspension 34, the operation mode of the electricadjustable seatpost 36, the transmission position of the electric frontderailleur 40, the transmission position of the electric rear derailleur42, and the riding state of the bicycle 10.

The electric front derailleur 40 is an electric shift device.Preferably, the electric front derailleur 40 is coupled to the seat tube14B. The electric front derailleur 40, which is driven by an actuator40A, moves the chain 26 between the front sprockets 24A to change thetransmission ratio of the bicycle 10.

The electric rear derailleur 42 is an electric shift device. Preferably,the electric rear derailleur 42 is coupled to the derailleur hanger 14H.The electric rear derailleur 42, which is driven by an actuator 42A,moves the chain 26 between the rear sprockets 24B to change thetransmission ratio of the bicycle 10.

As shown in FIG. 2, the operation device 50 includes a first operationdevice 52 and a second operation device 54. The first operation device52 is coupled, for example, to a right handlebar 20A. The firstoperation device 52 is connected to the electric rear derailleur 42(refer to FIG. 1) to perform wireless communication with the electricrear derailleur 42. The second operation device 54 is coupled, forexample, to a left handlebar 20B. The second operation device 54 isconnected to the electric front derailleur 40 (refer to FIG. 1) toperform wireless communication with the electric front derailleur 40.The wireless communication signals from the first and second operationdevices 52 and 54 can be radio frequency (RF) signals, ultra-wide bandcommunication signals, or Bluetooth communications or any other type ofsignal suitable for wireless communications as understood in the bicyclefield. Here, as discussed below, each of the first and second operationdevices 52 and 54 includes a wireless communication device can be eithera one-way wireless communication unit such as a transmitter or a two-waywireless communication unit such as a transceiver. However, the term“wireless communication device” as used herein includes a receiver, atransmitter, a transceiver, a transmitter-receiver, and contemplates anydevice or devices, separate or combined, capable of transmitting and/orreceiving wireless communication signals, including shift signals orcontrol, command or other signals related to some function of thecomponent being controlled.

As shown in FIG. 3, the first operation device 52 includes a base 56, afixing portion 58, a brake lever 60, a first operation member 62, asecond operation member 64, a power generator 66, a communication device68, an attachment portion 70, a cover member 72, an electroniccontroller 74, and a connection portion 78.

The base 56 includes an inner cavity 56A. The base 56 is coupled, forexample, to the right handlebar 20A of the bicycle 10. The communicationdevice 68 and the electronic controller 74 are located in the innercavity 56A. The base 56 further includes a grip 56C, which is held bythe user.

The fixing portion 58 couples the base 56 and the right handlebar 20A.The bicycle 10 includes a rear brake 10B (refer to FIG. 1), which isconnected to the brake lever 60 by a wire (not shown). The brake lever60 is coupled to the base 56 and rotatable about a rotation shaft 56B.The brake lever 60 is biased away from the right handlebar 20A by a coilspring (not shown). In a state in which the user rotates the brake lever60 about the rotation shaft 56B so that the brake lever 60 is movedcloser to the right handlebar 20A, the rear brake 10B holds the rearwheel 18 in between.

The first operation member 62 includes an operation portion 62A and aswitch 62B. The operation portion 62A is pushed by the user. The switch62B is connected to the electronic controller 74 to perform wired orwireless communication, as mentioned above, with the electroniccontroller 74. In a case in which the user pushes the operation portion62A, the switch 62B transmits an operation detection signal to theelectronic controller 74.

The second operation member 64 includes an operation portion 64A and aswitch 64B. The operation portion 64A is pushed by the user. The switch64B is connected to the electronic controller 74 to perform wired orwireless communication with the electronic controller 74. In a case inwhich the user pushes the operation portion 64A, the switch 64Btransmits an operation detection signal to the electronic controller 74.

The power generator 66 is located, for example, in the brake lever 60.The power generator 66 is connected to the electronic controller 74 bythe connection portion 78. The power generator 66 generates power, forexample, in a case in which the first operation member 62 or the secondoperation member 64 is operated. The power generator 66 includes apiezoelectric element 66A. In a case in which the user operates theoperation portion 62A or the operation portion 64A, the operationportion 62A or the operation portion 64A is pressed onto thepiezoelectric element 66A. Consequently, the piezoelectric element 66Agenerates power. Japanese Laid-Open Patent Publication No. 2006-351267describes a power generator, which is one example of the power generator66 including the piezoelectric element 66A.

As shown in FIG. 4, the communication device 68 includes a communicationdevice body 68A and a transmission circuit 68B such as a PLC circuit ora wireless communication circuit. The communication device 68 transmitsa wireless signal with the power generated by the power generator 66.The wireless signal is a signal that controls the operation of thebicycle component 30 including the actuators 32A, 34A, 36A, 40A and 42A.The wireless signal includes, for example, a shift up signal and a shiftdown signal. The shift up signal increases the transmission ratio of thebicycle 10. The shift down signal decreases the transmission ratio ofthe bicycle 10. The communication device 68 is separated from the powergenerator 66 (refer to FIG. 3). The communication device 68 is attachedto the attachment portion 70 so that the communication device 68 is atleast partially exposed from the attachment portion 70.

The communication device body 68A includes a housing 68C. The housing68C is card-shaped. The transmission circuit 68B is arranged in thehousing 68C. The electric rear derailleur 42 includes an electroniccontroller 42B, which receives the shift up signal or the shift downsignal from the transmission circuit 68B.

The communication device 68 is attached to the attachment portion 70 ina removable manner. The attachment portion 70 is arranged in the base 56so that the communication device 68 is at least partially located in theinner cavity 56A of the base 56. In a state in which the base 56 iscoupled to the right handlebar 20A of the bicycle 10, the attachmentportion 70 is located at a side of the base 56 that is closer to acenter XA (refer to FIG. 2) of the bicycle 10. The attachment portion 70includes a recess 80 and two member attachment holes 82.

The recess 80 is a card slot into which the communication device 68 isinsertable. The two member attachment holes 82 are located above andbelow the opening of the recess 80. The member attachment holes 82 arenot connected to the inner cavity 56A of the base 56.

In a state in which the communication device 68 is inserted in therecess 80, the cover member 72 is attached to the base 56 to cover thecommunication device 68. The cover member 72 includes a resin material.In one example, the entire cover member 72 is formed from a resinmaterial. The cover member 72 includes a main portion 72A and two fixingportions 72B.

The main portion 72A extends in a direction in which short sides of thecommunication device body 68A extend. The two fixing portions 72B extendtoward the base 56 from one of longitudinal ends of the main portion72A. In a state in which the two fixing portions 72B of the cover member72 are inserted into the two member attachment holes 82, the covermember 72 is fixed to the base 56.

The electronic controller 74 includes one or more processors and one ormore memory devices. The processor(s), which executes predeterminedcontrol programs, includes, for example, a central processing unit (CPU)or a micro processing unit (MPU). The memory device(s) storesinformation used in various kinds of control programs, the operationmodes and various kinds of control processes. As shown in FIG. 5, theelectronic controller 74 is connected to the communication device 68 toperform wired or wireless communication with the communication device68. In a case in which the operation detection signal is received fromthe switch 62B, the electronic controller 74 transmits a shift uprequest signal to the communication device 68. The transmission circuit68B of the communication device 68 transmits the shift up signal to theelectronic controller 42B of the electric rear derailleur 42 based onthe input of the shift up request signal. The electronic controller 42Boperates the actuator 42A to increase the transmission ratio of thebicycle 10 based on the shift up signal.

In a case in which the operation detection signal is received from theswitch 64B, the electronic controller 74 transmits a shift down requestsignal to the communication device 68. The transmission circuit 68B ofthe communication device 68 transmits the shift down signal to theelectronic controller 42B of the electric rear derailleur 42 based onthe input of the shift down request signal. The electronic controller42B operates the actuator 42A to decrease the transmission ratio of thebicycle 10 based on the shift down signal.

The connection portion 78 electrically connects the communication device68 and the power generator 66. One example of the connection portion 78is a power cable. The connection portion 78 includes a first connectionportion 78A and a second connection portion 78B. The first connectionportion 78A connects the power generator 66 and the electroniccontroller 74. The second connection portion 78B connects the electroniccontroller 74 and the communication device 68.

FIG. 2 shows the second operation device 54, which is one example ofanother bicycle component. The second operation device 54 and the firstoperation device 52 have the same structure. The second operation device54 is coupled, for example, to the left handlebar 20B. The secondoperation device 54 includes a brake lever 96. The bicycle 10 includes afront brake 10A (refer to FIG. 1), which is connected to the brake lever96 by a wire (not shown). The second operation device 54 is connected tothe electric front derailleur 40 (refer to FIG. 1) to perform wirelesscommunication with the electric front derailleur 40. The secondoperation device 54 includes an attachment portion 90, which has thesame structure as the attachment portion 70 of the first operationdevice 52. The communication device 68 is attached to the attachmentportion 90 of the second operation device 54 in a removable manner. Theattachment portion 90 of the second operation device 54 is one exampleof another attachment portion of another bicycle component.

The second operation device 54 includes a first operation member 92,which includes an operation portion 92A, and a second operation member94, which includes an operation portion 94A. The electric frontderailleur 40 includes an electronic controller 40B. In a case in whichthe user operates the operation portion 92A of the first operationmember 92 with the communication device 68 attached to the attachmentportion 90, the communication device 68 transmits the shift down signalto the electronic controller 40B (refer to FIG. 1) of the electric frontderailleur 40. Also, in a case in which the user operates the operationportion 94A of the second operation member 94 with the communicationdevice 68 attached to the attachment portion 90, the communicationdevice 68 transmits the shift up signal to the electronic controller 40Bof the electric front derailleur 40.

MODIFIED EXAMPLES

The bicycle component and the communication device of the bicyclecomponent are not limited to the embodiments described above. Thebicycle component and the communication device may be embodied in othermodes. Examples of other modes of the bicycle component and thecommunication device include modified examples described below.

In a modified example of the bicycle component 30, the cycle computer 38includes an attachment portion having the same structure as theattachment portion 70. In this modified example of the bicycle component30, the communication device 68 transmits a wireless signal forcontrolling operation to at least one of the electric assist unit 32,the electric suspension 34, and the electric adjustable seatpost 36.

In a modified example of the bicycle component 30, at least one of theelectric assist unit 32, the electric suspension 34, and the electricadjustable seatpost 36 includes an attachment portion having the samestructure as the attachment portion 70. In this modified example of thebicycle component 30, the communication device 68 includes a receptioncircuit. The communication device 68 receives a wireless signal from thecycle computer 38 with the reception circuit.

In a modified example of the bicycle component 30, the communicationdevice 68 is connected to the battery 28 by a power cable. In thismodified example, the communication device 68 transmits a wirelesssignal with the power supplied from the battery 28.

In a modified example of the bicycle component 30, the base 56 of theoperation device 50 does not include the grip 56C. This modified exampleof the bicycle component 30 is, for example, a shift operation devicecoupled to a mountain bike.

In a modified example of the bicycle component 30, the attachmentportion 70 is a bracket arranged on a surface of the base 56 and havinga shape configured to support the communication device 68. In thismodified example, in a state in which the communication device 68 isattached to the attachment portion 70, the communication device 68 ispartially or entirely exposed from the base 56.

In understanding the scope of the present invention, the term“comprising” and its derivatives, as used herein, are intended to beopen ended terms that specify the presence of the stated features,elements, components, groups, integers, and/or steps, but do not excludethe presence of other unstated features, elements, components, groups,integers and/or steps. The foregoing also applies to words havingsimilar meanings such as the terms, “including”, “having” and theirderivatives. Also, the terms “part,” “section,” “portion,” “member” or“element” when used in the singular can have the dual meaning of asingle part or a plurality of parts unless otherwise stated. Also, itwill be understood that although the terms “first” and “second” may beused herein to describe various components these components should notbe limited by these terms. These terms are only used to distinguish onecomponent from another. Thus, for example, a first component discussedabove could be termed a second component and vice versa withoutdeparting from the teachings of the present invention. Finally, terms ofdegree such as “substantially”, “about” and “approximately” as usedherein mean an amount of deviation of the modified term such that theend result is not significantly changed.

The foregoing descriptions of the embodiments according to the presentinvention are provided for illustration only, and not for the purpose oflimiting the invention as defined by the appended claims and theirequivalents.

What is claimed is:
 1. A bicycle component device comprising: a bicyclecomponent including an electric assist unit configured to assist inrotation of a crank, an electric shift device configured to move abicycle chain between sprockets, and an operation device configured toperform wireless communication with the electric shift device; and abattery configured to supply power to the bicycle component.
 2. Thebicycle component device according to claim 1, wherein the electricshifting device is an electric rear derailleur that is configured to bedriven by an actuator.
 3. The bicycle component device according toclaim 1, wherein the electric shifting device is an electric frontderailleur configured to be driven by an actuator.
 4. The bicyclecomponent device according to claim 2, wherein the operation deviceincludes a first operating device that is wirelessly connected to therear derailleur to perform wireless communication with the electric rearderailleur.
 5. The bicycle component device according to claim 4,wherein the first operating device includes an electric controller and acommunication device configured to transmit a wireless signal.
 6. Thebicycle component device according to claim 5, wherein the communicationdevice is configured to transmit a shift up signal or a shift downsignal as the wireless signal to an electric controller of the electricrear derailleur.
 7. The bicycle component device according to claim 6,wherein the electric controller of the electric rear derailleur isconfigured to operate the actuator to increase a bicycle transmissionratio based on the shift up signal.
 8. The bicycle component deviceaccording to claim 6, wherein the electric controller of the electricrear derailleur is configured to operate the actuator to decrease abicycle transmission ratio based on the shift down signal.
 9. Thebicycle component device according to claim 1, wherein the battery isconfigured to be coupled to a down tube of the bicycle.
 10. The bicyclecomponent device according to claim 1, further comprising a cyclecomputer including a display configured to show at least one of anoperation mode of the electric assist unit, a transmission position ofan electric front derailleur, a transmission position of an electricrear derailleur, and a riding state of a bicycle.
 11. The bicyclecomponent device according to claim 10, wherein the electric assist unitis configured to function in multiple operation modes each having adifferent assist ratio; and the cycle computer is configured to switchthe operation modes of the electric assist unit based on a useroperation.
 12. The bicycle component device according to claim 10,wherein the cycle computer is configured to be arranged on thehandlebar.
 13. The bicycle component device according to claim 1,wherein the operation device includes a power generator that generatespower in a state in which an operation member of the operation device isoperated; a communication device that transmits a wireless signal withthe power generated by the power generator; and an attachment portionbeing removably attached to the communication device, the communicationdevice being attachable to another attachment portion of another bicyclecomponent in a removable manner.